Automatic loom.



PATENTED MAY 3, 1904. o. A. BRINK & c. CHRISTENSEN.

AUTOMATIC LOOM.

APPLICATION FILED JUNE 3, 1903.

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am 406057 za/m x om c/ms rm/sm ATTD NEY/ No. 758,895. PATENTED MAY 3, 1904.

G. A. BRINK & C. CHRISTENSEN.

AUTOMATIC LOOM.

APPLICATION FILED JUNE 3, l903 N0 MODEL. 4 SHEETS-SHEET 2.

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DRNEYI ms. mums pawns co. mom-n10, wnsnlNc-nw n c No. 758,895. PATENTED MAY 3, 1904. C. A. BRINK & G. CHRISTENSEN.

AUTOMATIC LOOM.

APPLICATION FILED JUNE 3, 1903.

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WITNESSES: lNVENTOB-i W om 41/61/57 5mm 7% am cmwsrzwsmv A TTOHNE Y YNE mums vzrcm co. mom-Luna, wAsm. QYON a. c

No. 758,895. PATENTED MAY 3, 1904. G. A. BRINK 6x0. CHRISTENSEN.

AUTOMATIG LOOM.

APPLIOATION FILED JUNE a, 1903.

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ATTORNEY,

Patented May 3, 1904.

UNITED STATES PATENT EEIcE.

CARL AUGUST BRINK, OF PROVIDENCE, RHODE ISLAND, AND CARL CHRISTENSEN, OF ATTLEBORO, MASSACHUSETTS.

AUTOMATIC LOOIVI.

SPECIFICATION forming part Of Letters Patent No. 758,895, dated May 3, 1904.

Application filed June 3, 1903. Serial No. 159.909- (No model.)

To a whom it may concern.-

Be it known that we, CARL AUeUs'r BRINK, residing in the city of Providence, State of Rhode Island, and CARL CHRISTENSEN, residing in the town of Attleboro, State of Massachusetts, citizens of the United States, have invented certain new and useful Improvements in Automatic Looms, of which the following is a specification.

This invention relates to improvements in automatic looms which have no bobbin in the shuttle and instead are provided with a threadcarrier which traverses across the loom, dra\ ing the thread first from one side and then from the other from suitable supplies maintained at each end; and it consists, essentially, in improved devices for stopping the movements of the tliread-carrier by the interposition of a yielding stop before the thread-carrier has completed its travel, an automatic device for positively pushing the thread-carrier to the last position of its travel and for releasing the tln-ead-carrier from all tension prior to the time when it is returned across the loom by the picker, together with other features of novelty which will be more particularly pointed out and explained in the following specification and drawings, in which Figure 1 is a vertical longitudinal section through the tln'ead-carrier and its receivingbox, the same being taken on line 1 1 of Fig. 4:. Fig. 9. is a horizontal section on line 2 2 of Fig. 4:, showing the thread-carrier in its received position. Fig. 3 is a horizontal section on line 2 2 of Fig. showing the threadcarrier in its extreme position. Fig. 4c is a vertical cross-section .on line 4: 4 of Fig. 1. Fig. 5 is a front view of the loom-beam and its connections, parts being broken away for the purpose of condensing the figure, the right-hand end being shown in section on line 5 5 of Fig. 4. Fig. 6 is a detail view indicating the connection of the cam-shaft to the rock-shaft. Fig. 7 is a section on line 7 7 of Fig. 8. Fig. 8 is a section on line 8 8 of Fig. 5.

Referring to the drawings, 1 is the threadcarrier of the usual type and construction used in this character of loomsto wit, it is a long slender hollow metal box having a pair of nipper-jaws a at each end, springs within the box for holding the nipper-jaws a closed, and suitable provision made for opening the jaws a to grasp and release the thread, the details of which form no part of this invention and being in all respects similar in form and function to that shown and described in the patent to D. M. Seaton, No. 6%,319, March 27, 1900, a detail description will not be here repeated. IVhen the thread-carrier 1 has been thrown through the warp, it is received at either end of the loom-beam 2 in the thread-carrier box 3, which has extending through it a channel A with a flaring end toward the center of the loom, into which the thread-carrier 1 enters at each end of its stroke and is arrested in its motion by the picker-stick 5, which in turn rests against the spring-abutment 6. This abutment 6 is connected to a slide 7, longitudinally mounted in the thread-carrier box 3, and terminates in a lug 8, which engages a com pression-spring 9,the other end of the spring 9 resting against a suitable stop 10 in the threadcarrier box 3. From this it will be seen that the blow of the tln'ead-carrier 1 is received on the picker-stick 5, which rests against a yielding surface,the object of which is to prevent the upsetting of the tlu-ead-carrier l. The action of the spring-abutment 6 on the tlu'ead-carrier 1 requires a still further element to prevent a rebound of the thread-carrier 1, and this is provided in a lateral brake consisting of a sliding angle-piece 11, mounted in the threadcarrier box 3 and provided with a leather face 12, which presses against the front face of the thread-carrier 1. It is held in contact by a small lever 13, actuated by a compressionspring 1 (See Figs. 5 and 8.) Under the action of this lateral brake the tln'ead-carrier 1 comes to a stop in the position indicated in Figs. 1 and 2. This, however, is not the extreme position of the thread-carrier 1, and its further movement is made positively by a mechanical drive consisting, essentially, as follows: A slide 15, mounted within the threadcarrier box 3, is provided with the usual plungers 16 for operating the nipper-jaws a of the thread-carrier 1. Mounted within the slide there is a spring-latch 17 which presses against the front side of the thread-carrier 1. This latch 17 engages the opening 18 in the thread-carrier 1. The slide 15 has a downward-extending ear 19, which is connected to a sliding beam 20, mounted upon the loombeam 2 and actuated by a bell-crank 21, which in turn is operated by a suitable cam 22, driven from the rocker-shaft 23. The operation of this slide 15 is as follows: WVhen the thread-carrier 1 has come to the position shown in Fig. 2 and the latch 17 has engaged the opening 18, the cam 22 moves the bell-crank 21, sliding the beam in the direction the thread-carrier 1 has just been moving. This movement of the slide 15 carries the threadcarrier 1 to the position shown in Fig. 3, the plungers 16 in this space having operated the nipper-jaws a, causing them to release the thread in one end and grasp it in the other. When the slide 15 is in its second position, as

shown in Fig. 3, the latch 171s disengaged from the thread-carrier l, the cam-surface 23 having met the pin'24c, as clearly shown in Figs. 2 and 3. The upper end of the brake-lever 13 is provided with a small roller 25, which rests against a cam-surface 26 on the edge of the slide 15, and the movement of the slide 15 to the position shown in Fig. 3 serves to remove the pressure of the lever 13 from the brake-slide 12, and so leave the thread-carrier 1 free Within the slide 4: to be returned by the picker-stick 5.

Having described ourinvention, we claim 1. In an automatic loom of the class described, a thread-carrier, means for throwing same from one side of the loom to the other, means for arresting the movement of the thread-carrier before the end of its stroke, a.

lateral moving slide, on which is mounted a latch for engaging the thread-carrier when in its arrested position, and means for positively moving said slide, and thereby the thread-carrier through the last part of its stroke, substantially as described.

2. In an automatic loom of the kind described, thread-carrier, means for throwing the same from one side of the loom to the CARL AUGUST BRINK. CARL CHRISTENSEN. V

Witnesses:

HOWARD E. BARLOW, E. J. OGDEN. 

